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1 files changed, 437 insertions, 0 deletions

diff --git a/noao/digiphot/daophot/psf/dpsurfpsf.x b/noao/digiphot/daophot/psf/dpsurfpsf.x
new file mode 100644
index 00000000..de4e9d6e
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+++ b/noao/digiphot/daophot/psf/dpsurfpsf.x
@@ -0,0 +1,437 @@
+include	<fset.h>
+include	<mach.h>
+include	<error.h>
+include	<gset.h>
+include	<config.h>
+include	<xwhen.h>
+include "../lib/daophotdef.h"
+include "../lib/psfdef.h"
+
+define	DUMMY	6
+
+# DP_SURFPSF -- Draw a perspective view of a subraster with a given altitude
+# and azimuth of the viewing angle.  Floor and ceiling constraints may be
+# applied to the data before plotting.
+
+procedure dp_surfpsf (dao, subras, ncols, nlines, title, gd)
+
+pointer	dao				# pointer to DAOPHOT structure
+real	subras[ncols,nlines]		# pointer to subraster
+int	ncols, nlines			# dimensions of subraster
+char	title[ARB]			# title string
+pointer	gd				# pointer to graphics stream
+
+char	sysidstr[SZ_LINE]
+int	first, wkid, epa, status, old_onint, tsujmp[LEN_JUMPBUF]
+pointer	sp, temp, work, psf
+real	angh, angv, imcols, imlines, floor, ceiling, vpx1, vpx2, vpy1, vpy2
+
+extern	dp_sonint()
+common	/tsucom/ tsujmp
+common  /noaovp/ vpx1, vpx2, vpy1, vpy2
+common  /frstfg/ first
+
+begin
+	# Get the psf fitting substructure pointer.
+	psf = DP_PSF(dao)
+
+	# Initialize surface common blocks before changing any parameters.
+	first = 1
+	call srfabd ()
+
+	# Set local variables.
+	angh = DP_MANGH (psf)
+	angv = DP_MANGV (psf)
+	floor = DP_MFLOOR (psf)
+	ceiling = DP_MCEILING (psf)
+	floor = min (floor, ceiling)
+	ceiling = max (floor, ceiling)
+
+	# Allow room for axes and labels.
+	vpx1 = 0.10
+	vpx2 = 0.90
+	vpy1 = 0.10
+	vpy2 = 0.90
+
+	# Make a copy of the subraster so we can subtract the zero level.
+	imcols = real (ncols)
+	imlines = real (nlines)
+	call smark (sp)
+	call salloc (temp, ncols * nlines, TY_REAL)
+	call amovr (subras, Memr[temp], nlines * ncols)
+
+	# Allocate the working storage needed by EZSRFC.
+	call malloc (work, 2 * (2 * ncols * nlines + ncols + nlines), TY_REAL)
+
+	# Take off floor and ceiling if enabled (nonzero).
+	call dp_slimits (Memr[temp], ncols, nlines, floor, ceiling)
+
+	# Set up the titles and the viewport.
+	call gopks (STDERR)
+	wkid = 1
+	call gclear (gd)
+	call gopwk (wkid, DUMMY, gd)
+	call gacwk (wkid)
+	call gtext (gd, 0.5, .96, title, "s=0.8;f=b;h=c")
+	call sysid (sysidstr, SZ_LINE)
+	call gtext (gd, 0.5, .04, sysidstr, "h=c;v=b;s=.5")
+	call set (vpx1, vpx2, vpy1, vpy2, 1.0, 1024., 1.0, 1024., 1)
+
+	# Install interrupt exception handler.
+	call zlocpr (dp_sonint, epa)
+	call xwhen (X_INT, epa, old_onint)
+
+	# Plot the surface.
+	call zsvjmp (tsujmp, status)
+	if (status == OK)
+	    call ezsrfc (Memr[temp], ncols, nlines, angh, angv, Memr[work])
+	else {
+	    call gcancel (gd)
+	    call fseti (STDOUT, F_CANCEL, OK)
+	}
+	
+	# Draw the perimeter.
+	call gswind (gd, 1.0, imcols, 1.0, imlines)
+	call gseti (gd, G_CLIP, NO)
+	call dp_sperimeter (gd, Memr[temp], ncols, nlines, angh, angv)
+
+	# Clean up.
+	call gdawk (wkid)
+	call gclks ()
+	call mfree (work, TY_REAL)
+	call sfree (sp)
+end
+
+
+# DP_SONINT -- Interrupt handler for the task surface.  Branches back to ZSVJMP
+# in the main routine to permit shutdown without an error message.
+
+procedure dp_sonint (vex, next_handler)
+
+int	vex		# virtual exception
+int	next_handler	# not used
+
+int	tsujmp[LEN_JUMPBUF]
+common	/tsucom/ tsujmp
+
+begin
+	call xer_reset()
+	call zdojmp (tsujmp, vex)
+end
+
+
+# DP_SLIMITS -- Apply the floor and ceiling constraints to the subraster.
+# If either value is exactly zero, it is not applied.
+
+procedure dp_slimits (ras, m, n, floor, ceiling)
+
+real	ras[m,n]
+int	m, n
+real	floor, ceiling
+int	i
+
+begin
+	do i = 1, n {
+	    if (floor != 0)
+		call amaxkr (ras[1,i], floor, ras[1,i], m)
+	    if (ceiling != 0)
+		call aminkr (ras[1,i], ceiling, ras[1,i], m)
+	}
+end
+
+
+define	SZ_TLABEL	10
+
+# DP_SPERIMETER -- draw and label axes around the surface plot.
+
+procedure dp_sperimeter (gp, z, ncols, nlines, angh, angv)
+
+pointer	gp			# Graphics pointer
+int	ncols			# Number of image columns
+int	nlines			# Number of image lines
+real	z[ncols, nlines]	# Array of intensity values
+real	angh			# Angle of horizontal inclination
+real	angv			# Angle of vertical inclination
+
+pointer	sp, x_val, y_val, kvec
+char	tlabel[SZ_TLABEL]
+real	xmin, ymin, delta, fact1, flo, hi, xcen, ycen
+real	x1_perim, x2_perim, y1_perim, y2_perim, z1, z2
+real	wc1, wc2, wl1, wl2, del
+int	i, j
+int	itoc()
+data  	fact1 /2.0/
+real	vpx1, vpx2, vpy1, vpy2
+common	/noaovp/ vpx1, vpx2, vpy1, vpy2
+
+begin
+	call smark (sp)
+	call salloc (x_val,   ncols + 2,  TY_REAL)
+	call salloc (y_val,  nlines + 2, TY_REAL)
+	call salloc (kvec, max (ncols, nlines) + 2, TY_REAL)
+
+	# Get window coordinates set up in calling procedure.
+	call ggwind (gp, wc1, wc2, wl1, wl2)
+
+	# Set up window, viewport for output.  The coordinates returned
+	# from trn32s are in the range [1-1024].
+	call set (vpx1, vpx2, vpy1, vpy2, 1.0, 1024., 1.0, 1024., 1)
+
+	# Find range of z for determining perspective.
+	flo = MAX_REAL
+	hi = -flo
+	do j = 1, nlines {
+	    call alimr (z[1,j], ncols, z1, z2)
+	    flo = min (flo, z1)
+	     hi = max (hi, z2)
+	}
+
+	# Set up linear endpoints and spacing as used in surface.
+
+        delta = (hi-flo) / (max (ncols,nlines) -1.) * fact1
+        xmin = -(real (ncols/2)  * delta + real (mod (ncols+1, 2))  * delta)
+        ymin = -(real (nlines/2) * delta + real (mod (nlines+1, 2)) * delta)
+	del = 2.0 * delta
+
+	# The perimeter is separated from the surface plot by the 
+	# width of delta.  
+
+	x1_perim = xmin - delta
+	y1_perim = ymin - delta
+	x2_perim = xmin + (real (ncols)  * delta)
+	y2_perim = ymin + (real (nlines) * delta)
+
+	# Set up linear arrays over full perimeter range
+	do i = 1, ncols + 2
+	    Memr[x_val+i-1] = x1_perim + (i-1) * delta
+	do i = 1, nlines + 2
+	    Memr[y_val+i-1] = y1_perim + (i-1) * delta
+
+	# Draw and label axes and tick marks.
+	# It is important that frame has not been called after calling srface.
+	# First to draw the perimeter.  Which axes get drawn depends on the
+	# values of angh and angv.  Get angles in the range [-180, 180].
+
+	if (angh > 180.)
+	    angh = angh - 360.
+	else if (angh < -180.)
+	    angh = angh + 360.
+
+	if (angv > 180.)
+	    angv = angv - 360.
+	else if (angv < -180.)
+	    angv = angv + 360.
+
+	# Calculate positions for the axis labels
+	xcen = 0.5 * (x1_perim + x2_perim)
+	ycen = 0.5 * (y1_perim + y2_perim)
+
+	if (angh >= 0) {
+	    if (angv >= 0) {
+		# Case 1: xy rotation positive, looking down from above mid z.
+
+		# First draw x axis.
+		call amovkr (y2_perim, Memr[kvec], ncols + 2)
+		call dp_draw_axis (Memr[x_val+1], Memr[kvec], flo, ncols + 1)
+		call dp_label_axis (xcen, y2_perim+del, flo, "X-AXIS", -1, -2)
+		call dp_draw_ticksx (Memr[x_val+1], y2_perim, y2_perim+delta, 
+		    flo, ncols)
+		call dp_label_axis (xmin, y2_perim+del, flo, "1", -1, -2)
+		if (itoc (int (wc2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (Memr[x_val+ncols], y2_perim+del, flo, 
+		    tlabel, -1, -2)
+
+		# Now draw y axis.
+		call amovkr (x2_perim, Memr[kvec], nlines + 2)
+		call dp_draw_axis (Memr[kvec], Memr[y_val+1], flo, nlines + 1)
+		call dp_label_axis (x2_perim+del, ycen, flo, "Y-AXIS", 2, -1)
+		call dp_draw_ticksy (x2_perim, x2_perim+delta, Memr[y_val+1],
+		    flo, nlines)
+		call dp_label_axis (x2_perim+del, ymin, flo, "1", 2, -1)
+		if (itoc (int (wl2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (x2_perim+del, Memr[y_val+nlines], flo, 
+		    tlabel, 2, -1)
+
+	    } else {
+		# Case 2: xy rotation positive, looking up from below mid z.
+
+		# First draw x axis.
+		call amovkr (y1_perim, Memr[kvec], ncols + 2)
+		call dp_draw_axis (Memr[x_val], Memr[kvec], flo, ncols + 1)
+		call dp_label_axis (xcen, y1_perim-del, flo, "X-AXIS", -1, 2)
+		call dp_draw_ticksx (Memr[x_val+1], y1_perim, y1_perim-delta, 
+		    flo, ncols)
+		call dp_label_axis (xmin, y1_perim-del, flo, "1", -1, 2)
+		if (itoc (int (wc2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (Memr[x_val+ncols], y1_perim-del, flo, 
+		    tlabel, -1, 2)
+
+		# Now draw y axis.
+		call amovkr (x1_perim, Memr[kvec], nlines + 2)
+		call dp_draw_axis (Memr[kvec], Memr[y_val], flo, nlines + 1)
+		call dp_label_axis (x1_perim-del, ycen, flo, "Y-AXIS", 2, 1)
+		call dp_draw_ticksy (x1_perim, x1_perim-delta, Memr[y_val+1],
+		    flo, nlines)
+		call dp_label_axis (x1_perim-del, ymin, flo, "1", 2, 1)
+		if (itoc (int (wl2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (x1_perim-del, Memr[y_val+nlines], flo, 
+		    tlabel, 2, 1)
+	    }
+	}
+
+	if (angh < 0) {
+	    if (angv > 0) {
+
+		# Case 3: xy rotation negative, looking down from above  mid z 
+		# (default).  First draw x axis.
+		call amovkr (y1_perim, Memr[kvec], ncols + 2)
+		call dp_draw_axis (Memr[x_val+1], Memr[kvec], flo, ncols + 1)
+		call dp_label_axis (xcen, y1_perim-del, flo, "X-AXIS", 1, 2)
+		call dp_draw_ticksx (Memr[x_val+1], y1_perim, y1_perim-delta, 
+		    flo, ncols)
+		call dp_label_axis (xmin, y1_perim-del, flo, "1", 1, 2)
+		if (itoc (int (wc2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (Memr[x_val+ncols], y1_perim-del, flo, 
+		    tlabel, 1, 2)
+
+		# Now draw y axis.
+		call amovkr (x2_perim, Memr[kvec], nlines + 2)
+		call dp_draw_axis (Memr[kvec], Memr[y_val], flo, nlines + 1)
+		call dp_label_axis (x2_perim+del, ycen, flo, "Y-AXIS", 2, -1)
+		call dp_draw_ticksy (x2_perim, x2_perim+delta, Memr[y_val+1],
+		    flo, nlines)
+		call dp_label_axis (x2_perim+del, ymin, flo, "1", 2, -1)
+		if (itoc (int (wl2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (x2_perim+del, Memr[y_val+nlines], flo, 
+		    tlabel, 2, -1)
+	    } else {
+
+		# Case 4: xy rotation negative, looking up from below mid z.
+		# First draw x axis.
+		call amovkr (y2_perim, Memr[kvec], ncols + 2)
+		call dp_draw_axis (Memr[x_val], Memr[kvec], flo, ncols + 1)
+		call dp_label_axis (xcen, y2_perim+del, flo, "X-AXIS", 1, -2)
+		call dp_draw_ticksx (Memr[x_val+1], y2_perim, y2_perim+delta,
+		    flo, ncols)
+		call dp_label_axis (xmin, y2_perim+del, flo, "1", 1, -2)
+		if (itoc (int (wc2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (Memr[x_val+ncols], y2_perim+del, flo, 
+		    tlabel, 1, -2)
+
+		# Now draw y axis.
+		call amovkr (x1_perim, Memr[kvec], nlines + 2)
+		call dp_draw_axis (Memr[kvec], Memr[y_val+1], flo, nlines + 1)
+		call dp_label_axis (x1_perim-del, ycen, flo, "Y-AXIS", 2, 1)
+		call dp_draw_ticksy (x1_perim, x1_perim-delta, Memr[y_val+1],
+		    flo, nlines)
+		call dp_label_axis (x1_perim-del, ymin, flo, "1", 2, 1)
+		if (itoc (int (wl2), tlabel, SZ_TLABEL) <= 0)
+		    tlabel[1] = EOS
+		call dp_label_axis (x1_perim-del, Memr[y_val+nlines], flo, 
+		    tlabel, 2, 1)
+	    }
+	}
+
+	# Flush plotit buffer before returning.
+	call plotit (0, 0, 2)
+	call sfree (sp)
+end
+
+
+# DP_DRAW_AXIS -- Draw the axes around the surface plot.
+
+procedure dp_draw_axis (xvals, yvals, zval, nvals)
+
+int	nvals
+real	xvals[nvals]
+real	yvals[nvals]
+real	zval
+pointer	sp, xt, yt
+int	i
+real	dum
+
+begin
+	call smark (sp)
+	call salloc (xt, nvals, TY_REAL)
+	call salloc (yt, nvals, TY_REAL)
+
+	do i = 1, nvals 
+	    call trn32s (xvals[i], yvals[i], zval, Memr[xt+i-1], Memr[yt+i-1], 
+		dum, 1)
+	call gpl (nvals, Memr[xt], Memr[yt])
+	call sfree (sp)
+end
+
+
+define	CSIZE		24
+
+
+# DP_LABEL_AXIS -- Draw the axes labels.
+
+procedure dp_label_axis (xval, yval, zval, sppstr, path, up)
+
+real	xval
+real	yval
+real	zval
+char	sppstr[SZ_LINE]
+int	path
+int	up
+
+int	nchars
+int	strlen()
+%	character*64 fstr
+
+begin
+	nchars = strlen (sppstr)
+%	call f77pak (sppstr, fstr, 64)
+    	call pwrzs (xval, yval, zval, fstr, nchars, CSIZE, path, up, 0)
+end
+
+
+# DP_DRAW_TICKS -- Draw the x tick marks.
+
+procedure dp_draw_ticksx (x, y1, y2, zval, nvals)
+
+int	nvals
+real	x[nvals]
+real	y1, y2
+real	zval
+
+int	i
+real	tkx[2], tky[2], dum
+
+begin
+	do i = 1, nvals {
+	    call trn32s (x[i], y1, zval, tkx[1], tky[1], dum, 1)
+	    call trn32s (x[i], y2, zval, tkx[2], tky[2], dum, 1)
+	    call gpl (2, tkx[1], tky[1])
+	}
+end
+
+
+# DP_DRAW_TICKSY -- Draw the y tick marks.
+
+procedure dp_draw_ticksy (x1, x2, y, zval, nvals)
+
+int	nvals
+real	x1, x2
+real	y[nvals]
+real	zval
+
+int	i
+real	tkx[2], tky[2], dum
+
+begin
+	do i = 1, nvals {
+	    call trn32s (x1, y[i], zval, tkx[1], tky[1], dum, 1)
+	    call trn32s (x2, y[i], zval, tkx[2], tky[2], dum, 1)
+	    call gpl (2, tkx[1], tky[1])
+	}
+end